class Test{
	public static void main (String[] args) {
		String str1 = "CSU";
		String str2 = "CSU";
		String str3 = new String("CSU");
		System.out.println(str1==str2);
		System.out.println(str1==str3);
		System.out.println(str1.equals(str3));		
	}	
}